How long will it take if all gates open to release water into Three Gorges Reservoir?
No matter when very serious natural disasters occur, such as earthquakes, typhoons, etc. These natural disasters are very destructive and cause serious damage to people. One of these natural disasters is inevitable.
And whatever control method is used for this, it will not work very well, that is, a flood. From ancient times to present day, people have come up with many ways to deal with it, but none of them gives good results. In recent years, this problem has also been an urgent problem that governments of many countries must solve.Although flow of water may bring us various opportunities for cultural and business development, it may also bring us some disasters.
For example, because of flood, people's crops were flooded, some people lost their chances of survival because of this, and so on. For people living in modern society, in order to manage water well,Mostly, some reservoirs, hydroelectric power stations with reservoir functions will be built, and direction of rivers will be artificially changed to make it far from city, far from residents.
However, in order to achieve better results, people will choose several methods for joint implementation and develop several large-scale water conservation projects. But these projects usually take a long time to complete.
And investment will be very large.Take Three Gorges Dam in our country as an example. Its construction began in 1990s and was not completed until end of 2020. .
Why did it take so long to build? By and large, simple construction of a dam for a reservoir or hydroelectric power plants will not take so much time.
ButThe original goal of Three Gorges project was not just to build a reservoir, but to deal with floods, which is why entire Three Gorges project took a very long time. In past, when rainy season came, people were very worried.
Because rivers in Yangtze River Basin are completely unable to carry that much water, and when it rains very heavily, amount of water a river can hold exceeds its carrying range, which will cause disaster for people living downstream, and cause serious damage.
In order to solve this problem well and make full use of energy contained in water resources of Yangtze River, some researchers in related fields after field research proposed appropriate solutions, thus Three Gorges Project was born.
Actually, this project was proposed a long time ago, but the managing organization at that time was simply unable to complete it, because The construction took a very long time and cost of money was also a lot, and managing organization at that time could not spend so much money on construction of this project.
And in meantime, in order to carry out this project, they also extended an olive branch to United States, hoping to complete this project with their help, and plan to use money received from this project to offset our expenses. after completion of loan.
But things did not develop according to people's ideas.For various reasons, this project was shelved and not put on agenda until creation of a new China.
To ensure safety of people living in middle and lower reaches of Yangtze River, approval of project has brought this project back into public eye. After research and study by experts, this project was finally approved. developed .
Simply due to technical and financial situation of time, management decided not to proceed with this project for time being, but instead implemented other projects. Finally, in >90s of 20th century, this project was finally realized .
Because this project ranks very high in world in terms of construction scale and benefits once commissioned, and will be largest dam in our country when completed, and is also very long in terms of investment time.
Fortunately, it didn't live up to people's expectations. After completion, it achieved very good results in field of electricity generation and flood control. But for him, people have a very big doubt, that is, how long will it take to release all water resources stored in it, after opening all gates?
After construction of this project, after professional calculations, it was determined that reservoircan hold 3931 cubic meters of water, of which volume used for flood control also reached 220,150 million cubic meters,and can handle flow of 98 800 cubic meters per second under normal conditions.
If its shutters are fully opened, its throughput will reach 102,500 cubic meters per second. After a simple calculation, it is found that if you want to release all water stored in reservoir, it will take at least one hundred and twenty hours, and this will take about four and a half days if you count by days.
However, in principle, it is impossible to face such a situation. Firstly, the heads of relevant departments will not dispose of flood discharges unless absolutely necessary, but for safety of people living in the downstream region Safety of life and property , will not carry out large-scale flood discharges.